Swap use of CriticalSectionWrapper with rtc::CriticalSection in voice_engine/

webrtc/voice_engine/level_indicator.cc

Index: webrtc/voice_engine/level_indicator.cc
diff --git a/webrtc/voice_engine/level_indicator.cc b/webrtc/voice_engine/level_indicator.cc
index 68a837edb9ea46f7049e5a4434f1a42c48d9a3a3..f44ea8e3f0e6cca496811a3248608cf6ef4bde26 100644
--- a/webrtc/voice_engine/level_indicator.cc
+++ b/webrtc/voice_engine/level_indicator.cc
@@ -10,7 +10,6 @@
 
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
 #include "webrtc/modules/include/module_common_types.h"
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
 #include "webrtc/voice_engine/level_indicator.h"
 
 namespace webrtc {
@@ -25,7 +24,6 @@ const int8_t permutation[33] =
 
 
 AudioLevel::AudioLevel() :
-    _critSect(*CriticalSectionWrapper::CreateCriticalSection()),
     _absMax(0),
     _count(0),
     _currentLevel(0),
@@ -33,12 +31,11 @@ AudioLevel::AudioLevel() :
 }
 
 AudioLevel::~AudioLevel() {
-    delete &_critSect;
 }
 
 void AudioLevel::Clear()
 {
-    CriticalSectionScoped cs(&_critSect);
+    rtc::CritScope cs(&_critSect);
     _absMax = 0;
     _count = 0;
     _currentLevel = 0;
@@ -56,7 +53,7 @@ void AudioLevel::ComputeLevel(const AudioFrame& audioFrame)
 
     // Protect member access using a lock since this method is called on a
     // dedicated audio thread in the RecordedDataIsAvailable() callback.
-    CriticalSectionScoped cs(&_critSect);
+    rtc::CritScope cs(&_critSect);
 
     if (absValue > _absMax)
     _absMax = absValue;
@@ -88,13 +85,13 @@ void AudioLevel::ComputeLevel(const AudioFrame& audioFrame)
 
 int8_t AudioLevel::Level() const
 {
-    CriticalSectionScoped cs(&_critSect);
+    rtc::CritScope cs(&_critSect);
     return _currentLevel;
 }
 
 int16_t AudioLevel::LevelFullRange() const
 {
-    CriticalSectionScoped cs(&_critSect);
+    rtc::CritScope cs(&_critSect);
     return _currentLevelFullRange;
 }